(3GdeWGdHI GdOhdjI dEUdGM GdVQQ aj GdbGfhf GdOhdj GdYGe h GdTQjYI GdESdGejI(B/s - (3YHOGdZfj eMehO(B.s ((3GdbGgQI(B:s (3OGQ GdWHGYI GdMOjKI(B,s, 1986)
(3jMJhj Ydj eQGLY HHdjhLQGajIs
Keywords: (3bGfhf Ohdj YGes; (3TQjYI ESdGejIs